Cheap Flights from Madrid (MAD) to San Carlos (SQL)

Popular airlines from Adolfo Suarez Madrid-Barajas Airport (MAD) to San Carlos, CA (SQL)

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Alternative airports near San Carlos

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to San Francisco Intl. SFO. Cheapest option available. Average driving time to city center is 16 minutes. Flights from $622
SFO
San Francisco Intl.
Cheapest
Average driving time to city center16 min
Flights from $622
Flights from Madrid (MAD) to San Carlos (SQL)
Origin airport
Adolfo Suárez Madrid-Barajas
Destination airport
San Carlos
Distance
5799 mi

Madrid to San Carlos Flights

The cheapest times to fly from Madrid to San Carlos

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Madrid to San Carlos are during the month of . You can find some of the cheapest flights from Madrid to San Carlos with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Madrid to San Carlos

Sunday is one of the best days to book for cheap flights from Madrid to San Carlos: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Madrid to San Carlos

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Madrid to San Carlos in 2025. You can also book with separate airlines for your outbound and return journeys, from one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Madrid to San Carlos flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Madrid to San Carlos airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Adolfo Suarez Madrid-Barajas Airport (MAD) to San Carlos Airport (SQL) cost?
Lock in a cheap one-way flight or cheap return flight from Adolfo Suarez Madrid-Barajas Airport (MAD) to San Carlos Airport (SQL) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Adolfo Suarez Madrid-Barajas Airport (MAD) to San Carlos Airport (SQL)?
The cheapest month to fly from MAD to SQL is , when demand is low. Off-peak season is generally when better flight deals are available between these airports.
How many flights per day from Adolfo Suarez Madrid-Barajas Airport (MAD) to San Carlos Airport (SQL)?
There are no daily nonstop flights from Adolfo Suarez Madrid-Barajas Airport (MAD) to San Carlos Airport (SQL). But you can opt for flights with layovers. Filter your search on Expedia to include one or two stops, and you'll be on your way in no time at all.
What day of the week has the most flights from MAD to SQL?
You'll usually find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can vary from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Adolfo Suarez Madrid-Barajas Airport (MAD) to San Carlos Airport (SQL)?
To arrive at San Carlos Airport (SQL) on time, select a flight that leaves from Adolfo Suarez Madrid-Barajas Airport (MAD) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this time.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Adolfo Suarez Madrid-Barajas Airport (MAD) to San Carlos Airport (SQL) last-minute?
Waiting until just before your departure to book a ticket from MAD to SQL generally means paying more. While you may come across some last-minute deals, they aren't always guaranteed. Keep your travel plans flexible to boost your chances of getting a bargain.
Is it cheaper to book a MAD to SQL flight and hotel package?
Booking a MAD to SQL flight and hotel package is typically cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels in one place. Choose from our extensive range of accommodations and then add car rentals, flights and activities to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Adolfo Suarez Madrid-Barajas Airport (MAD) to San Carlos Airport (SQL)?
In most cases, you can cancel or reschedule your MAD to SQL flight. However, additional fees may apply, especially if your booking was made over 24 hours ago. Double-check your itinerary for the airline's fees and rules on flight changes, or if you need more details, visit our Customer Service portal.

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*Available to One Key members.